m^2=-8m-7

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Solution for m^2=-8m-7 equation:


Simplifying
m2 = -8m + -7

Reorder the terms:
m2 = -7 + -8m

Solving
m2 = -7 + -8m

Solving for variable 'm'.

Reorder the terms:
7 + 8m + m2 = -7 + -8m + 7 + 8m

Reorder the terms:
7 + 8m + m2 = -7 + 7 + -8m + 8m

Combine like terms: -7 + 7 = 0
7 + 8m + m2 = 0 + -8m + 8m
7 + 8m + m2 = -8m + 8m

Combine like terms: -8m + 8m = 0
7 + 8m + m2 = 0

Factor a trinomial.
(7 + m)(1 + m) = 0

Subproblem 1

Set the factor '(7 + m)' equal to zero and attempt to solve: Simplifying 7 + m = 0 Solving 7 + m = 0 Move all terms containing m to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + m = 0 + -7 Combine like terms: 7 + -7 = 0 0 + m = 0 + -7 m = 0 + -7 Combine like terms: 0 + -7 = -7 m = -7 Simplifying m = -7

Subproblem 2

Set the factor '(1 + m)' equal to zero and attempt to solve: Simplifying 1 + m = 0 Solving 1 + m = 0 Move all terms containing m to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + m = 0 + -1 Combine like terms: 1 + -1 = 0 0 + m = 0 + -1 m = 0 + -1 Combine like terms: 0 + -1 = -1 m = -1 Simplifying m = -1

Solution

m = {-7, -1}

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